CN207297064U - A kind of construction ventilation of tunnel flexible duct real-time detection system for state - Google Patents
A kind of construction ventilation of tunnel flexible duct real-time detection system for state Download PDFInfo
- Publication number
- CN207297064U CN207297064U CN201721115102.3U CN201721115102U CN207297064U CN 207297064 U CN207297064 U CN 207297064U CN 201721115102 U CN201721115102 U CN 201721115102U CN 207297064 U CN207297064 U CN 207297064U
- Authority
- CN
- China
- Prior art keywords
- detection node
- node
- detection
- flexible duct
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a kind of construction ventilation of tunnel flexible duct real-time detection system for state, sets air monitoring point to complete the collection and upload of information between every 3~5 flexible ducts；Air monitoring point is made of detection node, WIFI network and server；Server completes the storage and issue of data, WIFI network connecting node and server；Air monitoring point position correspondence installation detection node between every 3~5 flexible ducts, the detection node are double-layer structure, and detection node outer layer is the vinylon adhesive plaster as flexible duct, and both ends are furnished with slide fastener, convenient to be connected with flexible duct；Internal layer is rigid plastics, installation air velocity transducer probe or wind pressure detection hose；The seal type hook for facilitating detection node to install is equipped with the upper right side of detection node or upper left side；The sensor main circuit that the outer side mounting of air velocity transducer probe output connecting detection node in detection node is fixed, wind pressure detection hose connect the wind pressure sensor in sensor main circuit.
Description
Technical field
Construction ventilation of tunnel pipe status monitoring is the utility model is related to, more particularly, to a kind of construction ventilation of tunnel flexibility wind
Pipe leak source detects and air hose condition monitoring system.
Background technology
Tunnel Construction Ventilation System is the important component of Tunnel Engineering, ensure that whole tunnel during constructing tunnel
Internal operating environment.The theory of constitution of Tunnel Construction Ventilation System is as shown in Figure 1.Whole constructing tunnel region is divided into inclined shaft
（Or horizontal hole, according to specific physical features.Only claim inclined shaft below）With two parts of main tunnel.Draft fan is located at slope mouth, passes through
Air hose send the fresh air outside hole to face.After fresh air enters face, along main tunnel, inclined shaft by construction tunnel
Pollution air is taken out of, so as to ensure that the air in construction tunnel meets regulatory requirements.In the ventilation process shown in Fig. 1, Chang Cai
Ventilation air hose is used as by the use of vinylon adhesive plaster air hose.The air hose is with wind resistance coefficient is low, air leak rate of air curtain is low, is readily transported the spies such as installation
Point.General 20 meters of flexible duct is a section, is attached between section and section by slide fastener.Encapsulation process is carried out at slide fastener, is ensured
The air quantity that wind turbine exports can be maximumlly delivered to face.The discharge pressure of fan of wind turbine will can overcome the wind of whole air hose
Resistance.The air quantity of wind turbine output has certain normal loss in the transmitting procedure of whole air hose.
Air hose will pass sequentially through maintenance rack, two lining racks and waterproof pallet that may be present in actual installation process
Frame, can sometimes cause air hose certain damage.On the other hand, passing vehicle also can cause accident trauma to air hose, lead
The occurrence of cause is leaked out.If the situation of leaking out being in charge of is not found in time, it will severely impacts whole ventilating system
Efficiency.In current real work, ventilation work needs to be gone on patrol along air hose regularly, mainly by listening for ear
The position for feeling to find to leak out on air hose, and handled accordingly.But tunnel construction environment is severe, noise is larger, even if
Veteran ventilation work also can inevitably miss some and important leak out a little.And duct length several kms easily, largely patrol
The ventilation work more time is occupied depending on work.
It is all offline inspection to have detection method disclosed in document at present（Test phase）.As light detection method needs electricity consumption
Line by incandescent lamp by whole air hose, and manually observe air hose position of leaking out；Such as controlled using air blower and static pressure transducer
Wind overpressure is 700Pa, then uses and manually carries out sound observation of leaking out to air hose；Smog is installed in air hose for another example
Device, and it is in charge of interior static pressure using wind turbine increase, while observe whether wind pipe wall has smog to leak out.These types of detection method needs
The deep participation of personnel.It cannot be suitable for the on-line condition monitoring of construction ventilation of tunnel flexible duct well.
Utility model content
The utility model proposes a kind of construction ventilation of tunnel flexible duct status real time monitor system based on wireless network
System, for construction ventilation of tunnel flexible duct state on_line monitoring, can monitor the situation of leaking out of air hose in real time.
Technical solution used by the utility model：
A kind of construction ventilation of tunnel flexible duct condition monitoring system, is made of detection node, WIFI network and server；
Monitoring node completes the collection and upload of information；Server completes the storage and issue of data；WIFI network connecting node kimonos
Business device, sets air monitoring point, one detection node of corresponding installation between every 3~5 flexible ducts, and the detection node is
Double-layer structure, detection node outer layer are the vinylon adhesive plaster as flexible duct, and both ends are furnished with slide fastener, to facilitate and flexible wind
Pipe is attached；Detection node internal layer is rigid plastics, installation air velocity transducer probe or/and wind pressure detection hose；Detecting
The upper right side or upper left side of node are linked up with equipped with seal type, to facilitate the installation of detection node；Wind speed sensing in detection node
The sensor main circuit that the outer side mounting of device probe output connecting detection node is fixed, wind pressure detection hose connection sensor master
Wind pressure sensor in circuit.
The sensor main circuit includes main control chip STC90C58AD, wind speed measurement circuit, wind pressure detection circuit, WIFI
Module, multiway analog switch chip CD4052 and power circuit, main control chip are realized by Serial Port Control WIFI module
The access of WIFI network；Wind speed measurement circuit connects air velocity transducer by interface and pops one's head in；Wind pressure detection circuit is connected by interface
Pressure of giving a dinner for a visitor from afar hose；Wind speed, wind pressure detection circuit are powered using 24V；WIFI module is powered using 3.3V；Multiway analog switch chip
CD4052 uses ± 5V powers.
The construction ventilation of tunnel flexible duct condition monitoring system, three different height in detection node, peace
Three groups of harmful substance sensor probes are filled, measure the concentration of narmful substance of different height respectively；Three groups of harmful substance sensors are visited
Head is connected sensor main circuit, main control chip and harmful substance Conditioning Circuits of Sensor by modulate circuit and is powered using 5V.
The beneficial effects of the utility model：
1st, the utility model construction ventilation of tunnel flexible duct real-time monitoring system for state, by detection node, WIFI network
Formed with server, monitoring node completes the collection and upload of information；Server completes the storage and issue of data；WIFI network
Connecting node and server.Monitoring system for field personnel can be by meeting the mobile phone terminal of environmental requirement, login service device hair
The webpage of cloth, inquires about the real time data of each node.
2nd, the utility model construction ventilation of tunnel flexible duct condition monitoring system, simple in structure, design is reasonable, uses peace
It is complete reliable.The situation of leaking out of air hose can be monitored in real time, it is rapid to find to leak out a little, and provided and carried according to the change of monitoring point value
Show, remind ventilation work to safeguard air hose in time, so as to effectively improve the ventilation effect of Tunnel Construction Ventilation System
And efficiency.
3rd, the utility model construction ventilation of tunnel flexible duct condition monitoring system, is to lean on the detection of computer system and sentence
The situation of leaking out of the disconnected air hose of monitoring in real time, realizes the on-line monitoring of construction ventilation of tunnel flexible duct state.Meanwhile system is led to
Cross integrate some common are harmful gas detection sensor during constructing tunnel, realize construction tunnel Common detrimental gas
The detection function of concentration, effectively can effectively monitor the construction environment in whole tunnel.
Brief description of the drawings
Fig. 1 is the theory of constitution figure of Tunnel Construction Ventilation System；
Fig. 2 is the utility model flexible duct monitoring system theory of constitution figure；
Fig. 3 is the utility model flexible duct monitoring system detectio node circuit schematic diagram.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
Embodiment 1
Referring to Fig. 2, the utility model construction ventilation of tunnel flexible duct condition monitoring system, by detection node, WIFI nets
Network and server composition；Monitoring node completes the collection and upload of information；Server completes the storage and issue of data；WIFI nets
Network connecting node and server, set air monitoring point between every 3~5 flexible ducts, corresponding to install a detection node,
The detection node is double-layer structure, and detection node outer layer is the vinylon adhesive plaster as flexible duct, and both ends are furnished with slide fastener,
It is attached with facilitating with flexible duct；Detection node internal layer is rigid plastics, and installation air velocity transducer probe or/and wind pressure are visited
Survey hose；Linked up with the upper right side of detection node or upper left side equipped with seal type, to facilitate the installation of detection node；Detection node
The sensor main circuit that the outer side mounting of interior air velocity transducer probe output connecting detection node is fixed, wind pressure detection hose
Connect the wind pressure sensor in sensor main circuit.
Embodiment 2
Referring to Fig. 2, Fig. 3, the construction ventilation of tunnel flexible duct condition monitoring system of the present embodiment, with embodiment 1 not
It is with part：The sensor main circuit include main control chip STC90C58AD, wind speed measurement circuit, wind pressure detection circuit,
WIFI module, multiway analog switch chip CD4052 and power circuit, main control chip are real by Serial Port Control WIFI module
The access of existing WIFI network；Wind speed measurement circuit connects air velocity transducer by interface and pops one's head in；Wind pressure detection circuit passes through interface
Connect wind pressure hose；Wind speed, wind pressure detection circuit are powered using 24V；WIFI module is powered using 3.3V；Multiway analog switch core
Piece CD4052 uses ± 5V powers.Main control chip is powered using 5V.Power circuit is by aviation plug, by 220V convert alternating currents
Corresponding circuit is distributed to for suitable voltage.
Main control chip STC90C58AD is a 51 microcontrollers with 8 passage, 10 AD conversion.Wherein two-way AD passages
Wind speed and wind pressure are left for, only remaining 6 road AD passages.In order to gather 18 tunnel analog signals, set in circuit based on CD4052
Analog switching circuit is counted.Chip CD4052 is one four select one variable connector, according to the logical combination on pin A and B（By
The P0.0 and P0.1 of main control chip are provided）Select X0-X3In a signal output to X pins, simultaneous selection Y0-Y3In one
A signal output is to Y pins.Three pieces CD4052 constitute altogether 6 four select one analog switch passage, specific pin connects feelings
Condition is as shown in table 1.In table 1, the X of first CD40520-X3Pin inputs the CO concentration sensed values of three groups of modulate circuits respectively,
Y0-Y3Pin inputs the CO of three groups of modulate circuits respectively2Concentration sensed values；The X of second CD40520-X3Pin inputs three respectively
The dust concentration sensed values of group modulate circuit, Y0-Y3Pin inputs the sensing methane concentration value of three groups of modulate circuits respectively；3rd
The X of piece CD40520-X3Pin inputs the NO of three groups of modulate circuits respectively2Concentration sensed values, Y0-Y3Pin inputs three groups of tune respectively
Manage the H of circuit2S concentration sensed values.Main control chip is believed from P0.0 and P0.1 output selection signals, the different simulation of acquisition time
Number.
1. detection node sensor circuit pin connection of table
Embodiment 3
Referring to Fig. 2, Fig. 3, the construction ventilation of tunnel flexible duct condition monitoring system of the present embodiment, with embodiment 1 or real
The difference for applying example 2 is：Three different height in detection node, install three groups of harmful substances（CO、CO2, dust,
Methane, NO2、H2S）Sensor probe, measures the concentration of narmful substance of different height respectively；Realize construction tunnel Common detrimental
The detection function of gas concentration.Three groups of harmful substance sensor probes connect the main electricity of sensor by modulate circuit and interface circuit
Road, main control chip and harmful substance Conditioning Circuits of Sensor are powered using 5V.
Three groups of harmful substance Conditioning Circuits of Sensor, input 5V voltages respectively, return to the voltage for representing to survey material concentration
Signal.6 kinds of harmful substances are measured in each group of modulate circuit, are CO, CO respectively2, dust, methane, NO2、H2S.Three groups of conditioning electricity
Road, which shares 18 tunnel analog signals, to be needed to be acquired.
Construction ventilation of tunnel flexible duct condition monitoring system of the utility model based on wifi network, realizes flexible wind
Pipe leak out a little in real time find and remind.Field Force can be by meeting the mobile phone terminal of environmental requirement, login service device hair
The webpage of cloth, inquires about the real time data of each node.
Flexible duct is soft material, and wind turbine is opened, air hose expansion；Wind turbine stops, and air hose is sagging.Under normal circumstances, often
5 flexible ducts are installed（100 meters）, a detection node is installed.L1 is 100 meters in Fig. 2；L2 is designed as 0.1 meter.So as to maximum
Reduce to limit the weight of detection node.In Fig. 2, corresponding the right side suspension and left side suspension respectively of detection node 1 and 2.Using the right side
Side mounting, suspension are hooked positioned at the position of 60 degree of upper right side vertical direction.
In detection node, sensor main circuit is installed on the outside of suspension, passes through air velocity transducer probe and wind pressure sensor
Hose is fixed on the outside of detection node, and is coated using vinylon adhesive plaster, and a peep hole is only stayed in indicator light position.Its
Middle wind speed sensor probe is directed toward the center of circle installation of rigid plastics internal layer, its angle is 60 degree with vertical direction, is hung with closing mouth
Hook right opposite.The length L4 of wind speed probe needs 2/3rds more than dust diameter.
The power supply of whole detection node is provided by live power transmission line.Power supply wiring position with sensor circuit plate level pair
The position of title.Power supply wiring uses aviation plug, easy to installation on the spot.
The utility model construction ventilation of tunnel flexible duct condition monitoring system, server program include Data Collection journey
Three sequence, data publication program and database parts.Data collection program gathers each detection node by network interface
Data；Data publication program is based on B/S frameworks to Web Publishing data message；Database is used for the data for storing all collections.
Data collection program is the program of a running background, and Ethernet data collection journey is write using VB.net language
Sequence, and store to database.After program brings into operation, occurs the icon of program on system mode column.Click the icon by right key
Shortcut menu can be ejected, the startup of data collection effort is completed, stops and the operation such as exit the program.
Data publication program is an information issuing web site based on PHP language developments, is opened using PHP programming languages
Hair, user can inquire about data by any network terminal.It is connected to the user terminal of WIFI network（Mobile phone, computer etc.
Equipment）The data that each detection node uploads can be checked by accessing webpage.
Database is developed based on the MySql to increase income, can improve the flexibility of system.MySql databases belong to out
Source technology, it is easy to use, it is easy to maintain.
Air monitoring point installation wind speed measurement component/detection node, detects wind speed measurement component mounting portion position/wind speed in real time
The wind speed of monitoring point, and by integral and calculating, obtain the airflow value by test point；According to the airflow value and air hose of fan outlet
Hundred meters of air leak rate of air curtain, the airflow value of each air monitoring point under normal circumstances can be calculated；The flexible duct that will be detected in real time
The airflow value of each monitoring point, and the airflow value of the monitoring point is contrasted under normal condition, when a certain monitoring point, such as a points
Airflow value has relatively large deviation, and the airflow value and theoretical value of the test point b points of its upstream than the airflow value under normal condition
During compared to there is no relatively large deviation, then judge that the situation of leaking out occurs in the air hose between a points and b points.
The wind speed measurement component of each air monitoring point installation is equipped with corresponding numbering and tick lables, and wind speed measurement component exists
When detecting monitoring point air quantity abnormal signal, the exception information of corresponding monitoring point, department's control or dimension are issued by wireless communication mode
Repair personnel and pass through monitoring server and portable terminal device（Mobile phone, computer etc.）Obtain exception monitoring point corresponding informance.
Claims (5)
- A kind of 1. construction ventilation of tunnel flexible duct real-time detection system for state, by detection node, WIFI network and server group Into；Monitoring node completes the collection and upload of information；Server completes the storage and issue of data；WIFI network connecting node and Server, it is characterised in that：Air monitoring point is set between every 3~5 flexible ducts, it is corresponding that a detection node is installed, The detection node is double-layer structure, and with detection node outer layer is the vinylon adhesive plaster flexible duct as, both ends equipped with it is soft Property air hose connection slide fastener；Detection node internal layer is rigid plastics, installation air velocity transducer probe or/and wind pressure detection hose； The seal type hook for facilitating detection node to install is equipped with the upper right side of detection node or upper left side；Wind speed in detection node passes The sensor main circuit that the outer side mounting of sensor probe output connecting detection node is fixed, wind pressure detection hose connection sensor Wind pressure sensor in main circuit.
- 2. construction ventilation of tunnel flexible duct real-time detection system for state according to claim 1, it is characterised in that：It is described Detection node, air velocity transducer probe are directed toward the center of circle installation of rigid plastics internal layer, its angle is 60 degree with vertical direction, with envelope Remain silent and link up with right opposite；The length L4 of air velocity transducer probe is more than 2/3rds of dust diameter.
- 3. construction ventilation of tunnel flexible duct real-time detection system for state according to claim 1 or 2, it is characterised in that： The sensor main circuit includes main control chip STC90C58AD, wind speed measurement circuit, wind pressure detection circuit, WIFI module, more Path analoging switch chip CD4052 and power circuit, main control chip realize WIFI network by Serial Port Control WIFI module Access；Wind speed measurement circuit connects air velocity transducer by interface and pops one's head in；Wind pressure detection circuit is soft by interface connection wind pressure Pipe；Wind speed, wind pressure detection circuit are powered using 24V；WIFI module is powered using 3.3V；Multiway analog switch chip CD4052 is adopted Powered with ± 5V, main control chip is powered using 5V.
- 4. construction ventilation of tunnel flexible duct real-time detection system for state according to claim 3, it is characterised in that：Examining Three different height on node are surveyed, three groups of harmful substance sensor probes are installed, measure the harmful substance of different height respectively Concentration；Three groups of harmful substance sensor probes connect sensor main circuit, harmful substance sensor conditioning electricity by modulate circuit Road is powered using 5V.
- 5. construction ventilation of tunnel flexible duct real-time detection system for state according to claim 1 or 2, it is characterised in that： Three different height in detection node, install three groups of harmful substance sensor probes, measure the harmful of different height respectively Material concentration；Three groups of harmful substance sensor probes connect sensor main circuit by modulate circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115102.3U CN207297064U (en) | 2017-09-01 | 2017-09-01 | A kind of construction ventilation of tunnel flexible duct real-time detection system for state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721115102.3U CN207297064U (en) | 2017-09-01 | 2017-09-01 | A kind of construction ventilation of tunnel flexible duct real-time detection system for state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297064U true CN207297064U (en) | 2018-05-01 |
Family
ID=62438521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721115102.3U Expired - Fee Related CN207297064U (en) | 2017-09-01 | 2017-09-01 | A kind of construction ventilation of tunnel flexible duct real-time detection system for state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107391889A (en) * | 2017-09-01 | 2017-11-24 | 河南理工大学 | Construction ventilation of tunnel flexible duct state real-time detection method and system |
-
2017
- 2017-09-01 CN CN201721115102.3U patent/CN207297064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107391889A (en) * | 2017-09-01 | 2017-11-24 | 河南理工大学 | Construction ventilation of tunnel flexible duct state real-time detection method and system |
| CN107391889B (en) * | 2017-09-01 | 2024-02-06 | 河南理工大学 | Method and system for detecting state of ventilation flexible air pipe in tunnel construction in real time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107391889A (en) | Construction ventilation of tunnel flexible duct state real-time detection method and system | |
| CN109029847A (en) | Gas leakage monitoring system, FLNG system and its gas leakage monitoring method | |
| CN101914904A (en) | Fire simulation experiment equipment for caverns in hydraulic and hydro-power engineering and simulation experiment method | |
| CN106060161B (en) | Electricity, water and gas metering and management Internet of things test platform and test method | |
| CN102865093A (en) | Mine ventilation automatic detection and operation system | |
| CN207297064U (en) | A kind of construction ventilation of tunnel flexible duct real-time detection system for state | |
| CN104061964A (en) | Test system and test method for residence kitchen concentrated smoke /air-discharging system | |
| CN207456503U (en) | Livestock and poultry cultivation environmental monitoring system | |
| CN115387836A (en) | System and method for intelligent decision and remote linkage based on mine ventilation system | |
| CN109116793A (en) | A kind of environmental monitoring system for electric power tunnel | |
| CN209086222U (en) | A kind of piping lane gas monitoring system based on LoRa | |
| CN104089656A (en) | Storage yard coal spontaneous combustion detection method and device | |
| CN207263712U (en) | Air quality on-line computing model | |
| CN209673325U (en) | A kind of dust wind tunnel system | |
| CN205719881U (en) | Portable PM2.5 concentration detection apparatus | |
| CN108170865A (en) | The acquisition of ambient parameter data field and analysis method inside underground pipe gallery system corridor body | |
| CN105548502B (en) | A kind of air quality detector | |
| CN110779114A (en) | Bidirectional flow total heat exchange fresh air fan detection device | |
| CN206726624U (en) | A kind of emulation platform of Highway Tunnel Ventilation System | |
| CN203148916U (en) | Intelligent multi-component gas monitoring system | |
| CN206057275U (en) | A kind of room air detection means | |
| CN105845018A (en) | Highway tunnel ventilation system simulation platform building method and highway tunnel ventilation system simulation platform | |
| CN109282962A (en) | A kind of buildings model room ventilation test device and its application method | |
| CN205262773U (en) | On --spot testing arrangement of split air conditioner efficiency | |
| CN107654341B (en) | The vertical axis wind power generation monitoring device of survey is sentenced based on power observation and data exception |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20200901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |